{"id":3800292,"url":"https://alion.io/job/randstad-hungary-principal-data-engineer-2","title":"Principal Data Engineer","company":{"id":2215937,"name":"Randstad Hungary","domain":"randstad.hu","url":"https://alion.io/company/randstad-hu","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Traffit","truth_index":{"grade":"A","score":99,"open_postings":20,"ghost_share":0,"stale_share":0.05,"repost_share":0,"time_to_fill_p50_days":55,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Data Science","role_family":"Data Science","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hungary"],"countries":["HU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon Kinesis","optional":false},{"name":"Amazon Redshift","optional":false},{"name":"Amazon S3","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CloudFormation","optional":false},{"name":"Data Vault","optional":false},{"name":"Databricks","optional":false},{"name":"FinOps","optional":false},{"name":"IAM","optional":false},{"name":"Machine Learning","optional":false},{"name":"SQL","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-11-05T08:16:32Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-08T10:12:14Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"High Technical Impact: A unique professional challenge to shape the core data platform for a stable, market-leading global enterprise.\n\nCompetitive Compensation: Senior/Principal level base salaryand annual target bonus.\n\nBenefits Package: Cafeteria allowance and private health insurance package.\n\nFlexibility: Hybrid working model requiring 3 days of office presence (Budapest) and offering 2 days of Home Office per week.\n\nResponsibilities\nArchitecture & Implementation: Architect and implement production-grade data solutions on AWS and Databricks- from lakehouse design through pipeline delivery, ensuring high performance, reliability, and cost efficiency.\n\nTechnical Strategy & Standards: Translate the overall data strategy into concrete technical blueprints, reference architectures, and actionable implementation plans. Establish and enforce architectural standards, data modeling conventions, and engineering best practices.\n\nData Platform Foundations: Own the design and buildout of core data platform components- including ingestion frameworks, transformation layers, data quality enforcement, and serving patterns.\n\nML/AI Enablement: Design data pipelines and lakehouse structures that directly enable Machine Learning and AI workloads, collaborating closely with Data Science and MLOps teams.\n\nPlatform FinOps: Drive FinOps at the architecture level- right-sizing compute/storage, building cost attribution models, and implementing cost optimization patterns across the platform.\n\nTechnical Mentorship: Mentor data engineers through architectural guidance, pair programming, and code reviews without carrying people-management responsibilities.\n\nRequirements\nCore Experience: 8+ years as a hands-on data engineer or data architect with recent, demonstrated production delivery in modern cloud-native stacks.\n\nSenior / Principal Track: 3+ years operating at a Staff, Principal, or Senior Architect level as an individual contributor driving technical direction.\n\nDatabricks & AWS Expertise: Deep production experience with the Databricks Lakehouse on AWS- Unity Catalog, Delta Live Tables, Databricks SQL, Databricks Workflows, and Structured Streaming. Strong working knowledge of supporting AWS services (S3, IAM, Glue, Lambda, Kinesis, Redshift).\n\nData Modeling & Observability: Expert-level data modeling skills (Dimensional, Data Vault, Lakehouse paradigms)and proven experience building data quality frameworks and automated testing into pipeline architectures.\n\nInfrastructure-as-Code: Proficiency with Terraform, CloudFormation, or Databricks Asset Bundles.\n\nFinOps Approach: Hands-on experience designing architectures that control compute spend and optimize resource utilization.\n\nPreferred Qualifications:\nProduction experience building data infrastructure that directly enabled ML/AI product features (e.g., feature engineering pipelines, training datasets, model monitoring).\n\nExperience with real-time or near-real-time data architectures (streaming ingestion, CDC, event-driven patterns).\n\nFamiliarity with Data Mesh principles, domain-oriented platform design, and enterprise data governance (access controls, PII handling, lineage).","description_format":"text","description_chars":3163,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Cafeteria","Health insurance","Home office","Hybrid work"],"hiring_locations":[{"name":"Hungary","iso":"HU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-05T11:06:19Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":2,"expected_fill_days":55,"reasons":["conf:3","agency","velocity","win:early","comp:brand"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/randstad-hungary-principal-data-engineer-2","json_url":"https://alion.io/job/randstad-hungary-principal-data-engineer-2.json","meta":{"generated_at":"2026-11-08T10:57:04Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":23524,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2215937},"rest":"https://alion.io/mcp/rest/get_company?id=2215937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Frandstad-hungary-principal-data-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Frandstad-hungary-principal-data-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Frandstad-hungary-principal-data-engineer-2"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/randstad-hungary-principal-data-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Frandstad-hungary-principal-data-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3800292}},{"tool":"search_jobs","arguments":{"company":"randstad.hu","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3800292},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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